document.write( "Question 723179: I have a question. For i= the square root of -1, if 3i(2+5i) = x+6i, then x =\r
\n" ); document.write( "\n" ); document.write( "A. -15 B. 5 C. 5 D. 15 E. 27
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Algebra.Com's Answer #443060 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+3i%2A%28+2+%2B+5i+%29+=+x+%2B+6i+\"
\n" ); document.write( "Use the definitions:
\n" ); document.write( "\"+i+=+sqrt%28-1%29+\"
\n" ); document.write( "\"+i%5E2+=+-1+\"
\n" ); document.write( "\"+6i+%2B+15i%5E2+=+x+%2B+6i+\"
\n" ); document.write( "\"+x+=+15i%5E2+\"
\n" ); document.write( "\"+x+=+15%2A%28-1%29+\"
\n" ); document.write( "A. \"+x+=+-15+\"
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